This is our proprietary skill rating calculation. This has nothing to do with official game ranking or MMR.
The purpose is to show player skill levels relative to other players, not estimate MMR.
Increase the duration of Hidden by 4s.
Increase your maximum Ammo by 2.
You do not consume Ammo for 2s after hitting an enemy with Poison Bolts.
Reduce the Cooldown of Poison Bolts by 2.4000000000000004s.
Increase your Movement Speed by 15% while Hidden is active.
Increase the damage done by Poison Bolts by 25% and the rate at which they deal damage by 75%.